University of Utah Lidar and ARM Radar during Citation Mission

26 September 97, DOE CART SITE, Oklahoma

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18:00 UTC through 21:20 UTC 13 km msl to 7 km msl

Lidar power is a measure of cloud density. White indicates more dense. Radar returns are strongest where white, weakest where black Lidar depolarization ratio is a measure of cirrus crystal depolarization (loosely, crystal complexity). Red (lowest), green (middle) blue (most). NOTE: The radar image shows thick cloud near 21:20 where the lidar shows none. The lidar laser beam was strongly attenuated by the thick cloud, so no return signal came from the upper portions of the thickest cloud.